/*
 * Copyright 2015 Google Inc.
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */
#include "src/core/SkOpts.h"

#include "include/private/base/SkFeatures.h"
#include "src/core/SkCpu.h"
#include "src/core/SkOptsTargets.h"

#define SK_OPTS_TARGET SK_OPTS_TARGET_DEFAULT
#include "src/opts/SkOpts_SetTarget.h"

#include "src/opts/SkRasterPipeline_opts.h" // IWYU pragma: keep

#include "src/opts/SkOpts_RestoreTarget.h"

namespace SkOpts {
// Define default function pointer values here...
// If our global compile options are set high enough, these defaults might even be
// CPU-specialized, e.g. a typical x86-64 machine might start with SSE2 defaults.
// They'll still get a chance to be replaced with even better ones, e.g. using SSE4.1.
size_t raster_pipeline_lowp_stride = SK_OPTS_NS::raster_pipeline_lowp_stride();
size_t raster_pipeline_highp_stride = SK_OPTS_NS::raster_pipeline_highp_stride();

#define M(st) (StageFn)SK_OPTS_NS::st,
StageFn ops_highp[] = { SK_RASTER_PIPELINE_OPS_ALL(M) };
StageFn just_return_highp = (StageFn)SK_OPTS_NS::just_return;
void (*start_pipeline_highp)(size_t, size_t, size_t, size_t, SkRasterPipelineStage *,
    SkSpan<SkRasterPipeline_MemoryCtxPatch>, uint8_t *) = SK_OPTS_NS::start_pipeline;
#undef M

#define M(st) (StageFn)SK_OPTS_NS::lowp::st,
StageFn ops_lowp[] = { SK_RASTER_PIPELINE_OPS_LOWP(M) };
StageFn just_return_lowp = (StageFn)SK_OPTS_NS::lowp::just_return;
void (*start_pipeline_lowp)(size_t, size_t, size_t, size_t, SkRasterPipelineStage *,
    SkSpan<SkRasterPipeline_MemoryCtxPatch>, uint8_t *) = SK_OPTS_NS::lowp::start_pipeline;
#undef M

// Each Init_foo() is defined in src/opts/SkOpts_foo.cpp.
void Init_hsw();
void Init_skx();

static bool init()
{
#if defined(SK_ENABLE_OPTIMIZE_SIZE)
    // All Init_foo functions are omitted when optimizing for size
#elif defined(SK_CPU_X86)
#if SK_CPU_SSE_LEVEL < SK_CPU_SSE_LEVEL_AVX2
    if (SkCpu::Supports(SkCpu::HSW)) {
        Init_hsw();
    }
#endif

#if (SK_CPU_SSE_LEVEL < SK_CPU_SSE_LEVEL_SKX) && defined(SK_ENABLE_AVX512_OPTS)
    if (SkCpu::Supports(SkCpu::SKX)) {
        Init_skx();
    }
#endif

#endif
    return true;
}

void Init()
{
    [[maybe_unused]] static bool gInitialized = init();
}
} // namespace SkOpts
